Adzani MR, Nurdyansyah. Management of the ‘Take a Nap’ Program as a Strategy to Improve Students’ Learning Concentration in Fullday School : Manajemen Program “Take a Nap” Sebagai Strategi meningkatkan Konsentrasi Belajar Siswa Fullday School. ijins [Internet]. 2026 Sep. 3 [cited 2026 Sep. 6];27(2):10.21070/ijins.v27i2.1742. Available from: https://ijins.umsida.ac.id/index.php/ijins/article/view/1742